Uh, staff…
Just throwing this out there, but the 100% cotton mattress topper lists the dimensions of the King as ‘“72” x 84" x 2"’ and King XL as 78" x 80" x 2".
Far be it from me to call someone “wrong” but I do find it suspicious that the typical dimensions for a King mattress are 76" x 80" and Cal King 72" x 84" - basically opposite of the above specs.
The down mattress topper (feather bed) seems to have the sizes correct.
I believe you are correct. I’m checking with the team.
Update: Annnnnd fixed.